Allow specifiying of a serialization context

Author: benedikt

lib/userlist/push/resource.rb

@@ -73,7 +73,7 @@ def respond_to_missing?(method, include_private = false)
       end
 
       def to_hash
-        Serializer.serialize(self)
+        Serializer.serialize(self, context: :push)
       end
       alias to_h to_hash
 

lib/userlist/push/serializer.rb

@@ -3,8 +3,14 @@
 module Userlist
   class Push
     class Serializer
-      def self.serialize(resource)
-        new.serialize(resource)
+      def self.serialize(resource, **options)
+        new(**options).serialize(resource)
+      end
+
+      attr_reader :context
+
+      def initialize(context:)
+        @context = context
       end
 
       def serialize(resource)
@@ -13,7 +19,7 @@ def serialize(resource)
       end
 
       def serialize?(resource)
-        resource.push?
+        resource.public_send("#{context}?")
       end
 
     private

spec/userlist/push/serializer_spec.rb

@@ -1,6 +1,8 @@
 require 'spec_helper'
 
 RSpec.describe Userlist::Push::Serializer do
+  subject { described_class.new(context: :push) }
+
   let(:user) do
     Userlist::Push::User.new(
       identifier: 'user-identifier',